RuntimeError: cannot wait on un-aquired lock<br><br>Unhandled exception in thread started by &lt;bound method IPShellMatplotlibQt4.__bootstrap of &lt;IPShellMatplotlibQt4(Thread-1, started -1230734480)&gt;&gt;<br>---------------------------------------------------------------------------<br>

True<br>&gt;&gt;&gt; True == False<br>True<br><br>The book says this type of assignment is not allowed in Python 3. So far, this is the weirdest issue I have ever seen relating to the IPython.<br clear="all"><br>-- <br><font color="#888888">Gökhan<br>